You may wish to read through the threads in this link -
https://www.backyardchickens.com/newsearch?advanced=1&action=disp&search=integration&titleonly=1&byuser=&output=all&replycompare=gt&numupdates=&sdate=0&newer=1&sort=relevance&order=descending&Search=SEARCH&Search=SEARCH
Food is a...